What is the Public Provident Fund Calculator?
The public provident fund calculator is a free online tool that helps you work out public provident fund quickly and accurately. It uses the standard formula Each yearly contribution compounds annually: M = sum of P x (1 + r)^(years remaining) and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Enter your yearly PPF contribution (max 150000).
- Enter the current PPF rate.
- Enter the tenure (minimum 15 years).
- See the tax-free maturity amount.
Formula used
Each yearly contribution compounds annually: M = sum of P x (1 + r)^(years remaining)
Explanation of each input
- Yearly investment โ the yearly investment used in the calculation.
- Interest rate (%) โ the interest rate used in the calculation.
- Tenure (years) โ the tenure used in the calculation.
Understanding your result
- Total invested โ the calculated total invested.
- Total interest โ the calculated total interest.
- Maturity amount โ the calculated maturity amount.
Step-by-step calculation
For the example values 150000/yr, 7.1%, 15y:
- Apply the formula:
Each yearly contribution compounds annually: M = sum of P x (1 + r)^(years remaining) - Substitute the values: Annual compounding on each contribution
- Result: Invested 2250000; maturity about 4068209
Worked example
| Inputs | 150000/yr, 7.1%, 15y |
|---|---|
| Working | Annual compounding on each contribution |
| Result | Invested 2250000; maturity about 4068209 |
Benefits and practical uses
This calculator saves you time and reduces errors when you need public provident fund. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Contribution made at the start of each year.
- A constant rate (the real rate is revised quarterly).
- Minimum 15-year lock-in.
Frequently asked questions
What is the PPF contribution limit?
You can invest between 500 and 150000 per financial year.
Is PPF tax-free?
Yes. PPF enjoys EEE status - contributions, interest and maturity are all tax-exempt.
Can the rate change?
Yes. The government revises the PPF rate every quarter, so actual returns may differ.